ArticleJournal of neurogastroenterology and motility2022
Effect of Drinking Warm Water on Esophageal Preparation Before Peroral Endoscopic Myotomy in Patients With Achalasia.
Article in Journal of neurogastroenterology and motility, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 4 citations in OpenAlex.
- Evaluation of Anesthesia Management During Peroral Endoscopic Myotomy in Patients with Achalasia: A Retrospective Study.Journal of clinical medicine · 2025Article
- How Does Drinking Warm Water Affect Esophageal Preparation Before Peroral Endoscopic Myotomy in Patients With Achalasia?Journal of neurogastroenterology and motility · 2022Article
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background/Aims: Food retention, which is a characteristic observed in patients with achalasia, can interfere with peroral endoscopic myotomy (POEM). However, there is no established guideline for esophageal preparation for POEM. A previous study has shown that drinking warm water may reduce the lower esophageal sphincter pressure in patients with achalasia. This study aims to evaluate the possibility of proper preparation of POEM by instructing the patient to drink warm water. Methods: The warm water preparation was performed in 29 patients with achalasia who underwent POEM. The patients drank 1 L of warm water (60oC) the night before POEM. We evaluated the esophageal clearness and determined the preparation quality. Twentynine patients were prospectively recruited and compared to control group. The control cohort comprised achalasia patients whose endoscopic image was available from the achalasia database of our institution. A 1:2 propensity score-matched control cohort was established from the database of achalasia subjects (n = 155) to compare the outcome of the preparation. Results: In the warm water preparation group, only 1 patient (3.4%) had some solid retention, but it did not interfere with the POEM procedure. The grade of clearness ( Conclusions: Drinking warm water dramatically reduces esophageal food retention and significantly improves the quality of esophageal preparation. This simple protocol is quite useful, safe, and cost-effective in the preparation of achalasia patients for POEM.
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